Tacrolimus; FK506, FK506 Level
one 5 mL lavender top tube
Specimen Minimum Volume
1.0 mL of blood
Specimen Stability Information
Stable for 1 week at room temperature.
Therapeutic range is based on a whole blood specimen drawn 12 hours post-dose or prior to the next dose using the MEIA method. Some other factors influencing therapeutic range, dose administered, and result interpretation include time since transplantation, the organ transplanted, co-administration of other immunosuppressants, interaction with other drugs which may increase or decrease the tacrolimus concentration, and the preferences of the transplant centers and clinicians.
As ordered. Turn around time is 1-3 days.